Polaris Ranger 570 Problems – [All Common Issues Solved!]

Polaris Rangers are incredibly powerful and versatile machines capable of tackling tough terrain and getting the job done. Unfortunately, they can also be prone to certain issues.

So, what are the Polaris Ranger 570 Problems?

Problems such as hard or cold starting problems, system overheating, or electric malfunctions are quite common. Other issues include bad fuel pumps, faulty fuel injectors, and reverse gear issues. The solutions concerning repairs and replacement are fairly simple. 

We will help you tackle all the problems and get back on the road in no time with all the common issues solved!

Polaris Ranger 570 Starting Problems

The reliable and popular off-road vehicle such as Polaris Ranger 570 is not immune to starting problems. There are reports of such issues, particularly with the 2014, 2016, and 2017 models. 




Hard Starting ProblemsDifficulty Maintaining Consistent Idle SpeedChange Battery Or Adjust Carburetor
Cold Starting ProblemsDifficulty Starting EngineReplace Any Faulty Component

By understanding the symptoms, necessary solutions can be brought forward. Let’s find out what they are. 

Problem 1: Hard Starting Problems

If the Polaris Ranger has been sitting for a long period of time, the carburetor may be causing an air leak. A weak battery can also cause hard starting problems, especially when the battery life span is in the end times. 

Symptom: Difficulty Maintaining Consistent Idle Speed

An incorrectly adjusted carburetor can cause difficulty maintaining idle speed on an ATV. It can cause the engine to run too lean or rich, resulting in a lack of power. 

Solution: Change Battery Or Adjust Carburetor

If the dying battery causes the hard starting problem, simply get a new one and install it to the system. Check how the battery is functioning by using a heavy-duty battery tester (our pick: BOSCH BAT155 Heavy Duty Battery Tester).

Battery Testing
Source: Partzilla

Also, if the carburetor is leaking air, you have to replace the carburetor with assistance from a qualified mechanic. If the fixing scenario needs adjusting the carburetor rather than changing it, here are the things you can do:

  • Start the ATV and let it warm up.
  • Locate the carburetor and locate the idle adjustment screw.
  • Turn the idle adjustment screw clockwise until the engine idles at the desired RPM.
  • Locate the air/fuel mixture screw and turn it clockwise until the engine runs smoothly.
  • Adjust the idle speed again if necessary.

Test drive the ATV to make sure the adjustments have been successful.

Problem 2: Cold Starting Problems

Cold starting problems on an ATV can be caused by several things, including a weak or discharged battery, a faulty starter, worn spark plugs, a clogged carburetor, or a faulty fuel pump.

To diagnose which is faulty, inspect each component and how it functions. Let a good mechanic take a closer look; identifying the symptom will provide the necessary solution. 

Symptom: Difficulty Starting The Engine

When any components go faulty, the cold weather reduces the viscosity of the engine oil, making it harder for the engine to turn over. It also further reduces the air pressure, making it harder for the fuel to ignite. 

Solution: Replace Any Faulty Component

Polaris Ranger 570 battery replacement

You simply need to replace any faulty that is causing the trouble. For example, you can replace the battery, starter motor, spark plugs, carburetor, or even the fuel pump.

All you have to do is take the vehicle to the repair shop, and the job will be done, ensuring utmost efficiency. 

Polaris Ranger 570 Engine Problems

Polaris Ranger 570 is a powerful off-road utility vehicle powered by a powerful 570cc engine. However, like any other vehicle, the Polaris Ranger 570 is prone to engine problems. 

The common engine problems are discussed below:

System OverheatingEngine MisfireCool Down With Coolant System
Electric MalfunctionsPoor Engine PerformanceRepair The Wiring Connections

Diving deep into the matters is essential to apply necessary fixes and let the machine run at its optimum performance.

Problem 1: System Overheating

An ATV rider vehicle system can overheat unexpectedly due to several causes, including a lack of maintenance, an inadequate coolant level, a malfunctioning cooling fan, and inadequate airflow. 

Overheating engine
Source: Coolster

The diagnosis will involve checking the coolant level and condition, inspecting the cooling fan and its connections, and checking for any obstructions or other issues that could be causing inadequate airflow.

Symptom: Engine Misfire

An overheated vehicle system causes the engine to misfire because the heat causes the fuel/air mixture to be too lean, resulting in a misfire. This occurs because the heat causes fuel and air molecules to expand, reducing the amount of fuel and air in the combustion chamber. 

Solution: Cool Down With Coolant System

To use the coolant system to cool down an overheated ATV, you can use the best engine coolant product out there. (our pick: STAR BRITE Star-Cool Premium Synthetic PG Engine Coolant)

Here are a few things you need to do:

  • Turn off the vehicle and let it cool down for at least 15 minutes. 
  • Open the hood and check the coolant reservoir to ensure it is full. If it is not, add coolant to the reservoir. 
  • Next, start the ATV and let it idle. 
  • Check the temperature gauge to ensure it is not rising too quickly. If so, you may need to add more coolant or inspect the radiator hoses for potential leaks. If there are no visible leaks, you can turn on the ATV’s cooling fan to help cool the engine. 
  • Finally, turn off the ATV and check the coolant level to ensure it is full before restarting the vehicle.

If you cannot do the job yourself, take your machine straight to the repair shop. 

Problem 2: Electric Malfunctions

Polaris Ranger 570 often has electric malfunctions when the electrical components, such as wiring, connectors, and switches, are not functioning properly. This can cause a lack of power to the engine, transmission, and other systems, leading to a breakdown or malfunction.

This is the main cause of an engine that constantly shows poor performance, so prompt repair is needed. 

Symptom: Poor Engine Performance

Electrical problems can cause the ATV to misfire, decreasing power and acceleration. 

Solution: Repair The Wiring Connections

By inspecting and repairing the wiring connections, you can restore full power to the system and fix the electrical malfunction. Ensure that you have all the necessary automotive electric repair kits at your disposal.

The process of repairing wiring connections depends on the needed repair type. Generally, the process consists of the following steps: 

  • Inspect the wiring connections to identify any damage or wear.
  • Determine the best way to repair the wiring, such as by splicing, soldering, or using heat shrink tubing.
  • Prepare the wires for repair by removing any corrosion or debris and cutting away any damaged wiring.
  • Make the necessary connections and insulate them with heat shrink tubing or electrical tape.
  • Test the connections to make sure they are properly functioning and secure.
  • Reinstall the wiring and components to their original positions.
  • Test the vehicle to ensure the repairs have been successful.

You can always replace old wires, tighten the connections, and consult a professional mechanic or electrician for proper diagnosis and repair.

Polaris Ranger 570 Fuel Pump Problems

All the Polaris Ranger ATV models have experienced fuel pump problems from time to time due to mechanical wear and tear or improper maintenance.

Bad Fuel PumpUnusual Noises From The Fuel TankReplace The Fuel Pump
Faulty Fuel InjectorExcessive Fuel ConsumptionReplace The Fuel Injector

Some of the reduced fuel economy problems can be solved by pointing out specific issues alongside the fixes. Find out how!

Problem 1: Bad Fuel Pump

2016 Polaris Ranger EFI Fuel Pump Troubleshooting

The pump goes bad inside the Polaris Ranger due to age and usage, improper installation, clogged fuel filters, inadequate fuel pressure, and exposure to dirt, debris, and moisture.

To determine which of these issues is the cause of the pump going bad, you will need to perform a series of diagnostic tests. Tests may include checking the fuel pressure, examining the fuel filter, and inspecting the pump itself for signs of wear or damage. 

Symptom: Unusual Noises From The Fuel Pump

A bad fuel pump can make various unusual noises, such as grinding, squealing, rattling, or buzzing. These noises may start suddenly, become louder or more frequent, or occur only when the machine is running.

Solution: Replace The Fuel Pump

The process of replacing the fuel pump in an ATV vehicle is relatively straightforward. Here are the proper steps to consider:

  • To begin, you will need to locate the fuel pump and remove it from the engine. This can typically be done by unscrewing the mounting screws and disconnecting the fuel line
  • Once the pump is removed, you will need to inspect it for damage and replace it if necessary. 
  • After replacing the fuel pump, you must reconnect the fuel line and mount it back to the engine. 

Before starting the engine, you must check for leaks to ensure the fuel is flowing correctly. A new fuel pump will give you a fresh new experience for sure!

Problem 2: Faulty Fuel Injector

A fuel injector can become faulty over time due to a buildup of dirt and debris, clogged fuel lines, or a faulty injector assembly. The fuel injector is responsible for accurately metering the fuel entering the engine.

If the fuel injector is faulty, it may not be able to meter the fuel accurately and can cause too much fuel to enter the engine. These issues can result in an injector being unable to deliver the correct fuel to the engine. 

Symptom: Excessive Fuel Consumption

A faulty fuel injector can cause excessive fuel consumption by allowing too much fuel to enter the engine. 

Solution: Replace The Fuel Injector

Here are some simple steps to follow to replace the fuel injector:

  • Ensure the vehicle is turned off and the ignition key is removed.
  • Unscrew the clamps that secure the fuel supply lines to the fuel injectors.
  • Use a screwdriver to loosen the bolts that hold the fuel injector in place.
  • Gently remove the fuel injector from its mounting bracket.
  • Install the new fuel injector, tighten the bolts, and secure the fuel supply lines.

Call the best guy you know to achieve the best work efficiency!

Polaris Ranger 570 Transmission Problems

The latest 2018 Polaris Ranger 570 faced issues with the transmission. A complete recall happened with the 2015 and 2018 models involving safety concerns. And so the fixes relating to the transmission issues are important. 

Problem: Issues With Reverse Gear

In the most specific level, the problem is reflected in issues with the reverse gear. The problem happens because the gear teeth can become worn over time due to heavy use or lack of lubrication. 

Also, the shift fork can become bent or broken from sudden impacts or a gear shift that is not properly aligned.

Symptom: Vehicle Doesn’t Move Backward

When the reverse gear is not working properly, it can prevent the vehicle from moving in reverse. In such a  case, the reverse gear cannot engage the gears properly, and thus, the Polaris Ranger won’t move backward.

Solution: Replace The Reverse Gear

Polaris Ranger 570 Reverse Gear Change

The process of installing a new reverse gear in the vehicle involves several steps. 

And here is how it goes:

  • First of all, the vehicle must be disconnected from the battery and jacked up to allow access to the transmission. 
  • Then, the transmission and rear axle must be removed from the ATV. After that, the old reverse gear must be disassembled and removed from the transmission. 
  • Once the old gear is removed, the new reverse gear can be installed in the transmission. 

In the end, the transmission and rear axle must be re-installed, and the Polaris Ranger can be reconnected to the battery.

Tips & Tricks To Prevent All Polaris Ranger 570 Problems

Polaris Ranger 570 Tips

Here are some tips and tricks to help prevent issues with your Polaris Ranger 570 from happening in the future:

  • Ensure the fluid levels are checked and topped off regularly, including engine oil, coolant, and transmission fluid.
  • Change the oil and filter regularly according to the manufacturer’s recommendations.
  • Inspect the radiator for any signs of leaks or blockages and repair them as soon as possible.
  • Clean and lubricate the drive belt regularly and inspect for any signs of damage.
  • Clean the air filter regularly and replace it when necessary.
  • Regularly inspect the battery and charging system for any signs of wear or damage.

Being alert and aware at all times will help you ensure a long-running machine with the best performances and thrill rides. 


Is the Polaris 570 a good side-by-side?

Yes, the Polaris 570 is an excellent side-by-side. It offers an impressive combination of power, agility, and comfort, making it an excellent choice for exploring off-road trails. It also offers plenty of options for customization so that it can be tailored to your individual needs.

How long will a Polaris Ranger last?

The life expectancy of a Polaris Ranger depends on how well it is maintained over time, but a well-maintained Ranger can last anywhere from 10 to 20 years.

Can driving too fast on rough terrains cause overheating issues on Polaris Ranger?

Yes, driving too fast on rough terrains can cause overheating issues on a Polaris Ranger. The machine is not designed to handle extreme speeds on rough terrain, as doing so can cause the engine to overheat or cause other mechanical issues.


The Polaris Ranger 570 problems can go away easily since it is a reliable and powerful ATV. However, it is essential to maintain the machine regularly and inspect it for potential issues. Any problem that arises should be addressed immediately to avoid further damage or potential danger.

Hopefully, we have helped you serve your needs; it’s time to go. Goodbye!


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